.blur-background {
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 20;
}
.blur-background.dark {
  background-color: rgba(0, 0, 0, .6);
}
.blur-background.light {
  background-color: rgba(255, 255, 255, .6);
}
.blur-background .loading {
  position: absolute;
  margin: auto;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  width: 64px;
}
.blur-background .loading-inner {
  height: 64px;
  width: 64px;
  animation: spin 1s linear infinite;
  background-repeat: no-repeat;
  background-image: url('images/Loading@0.25x.png');
}
@keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
    transform:rotate(360deg);
  }
}